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There's only one corner of the universe you can be certain of improving, and that's your own self.

With realization of one's own potential and self-confidence in one's ability, one can build a better world.

The only way to improve is to set yourself harder goals.

I've done a lot of self-improvement. I'm always working on being a better person.

The place to improve the world is first in one's own heart and head and hands, and then work outward from there.

If you want to improve, be content to be thought foolish and stupid.

Everybody is improving but I am improving slowly, which seemingly widens our distance.

I guess when there is room to improve, and where there is the desire to improve, improvement comes.

I have this desire to keep improving, so I find fault.